$5a-2\left(4a+5\right)=7a$
$-2x\ge-8$
$\frac{cota}{csca-1}=\frac{csca+1}{cota}$
$x^2y+y$
$2^2\cdot2^3\cdot2^8$
$\lim_{x\to0}\left(\sin\left(x\right)\cdot\ln\left(2x\right)\right)$
$\frac{\left(x+3\right)^{10}}{\left(x+3\right)^7}$
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